Drinking glass stem



FIG. 1 is front elevational view of drinking glass stem showing our new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a view taken substantially along the line 3--3 of FIG. 1; and,

FIG. 4 is a view taken substantially along the line 4--4 of FIG. 1.

The broken line showing of an upper portion of a drinking glass in FIG. 1 and FIG. 4 is for illustrative purposes only and forms no part of the claimed design. 

The ornamental design for a drinking glass stem, as shown and described. 